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Geom2­6hour3.notebook                                 September 26, 2011




               BELL WORK:  p.87 #9




             Agenda for the Day:
             • 2.5 homework questions
             • 2.6 ­ Multiplication and Division Properties
             • exit slip
             • homework ­ if time permits




                                                                           1
Geom2­6hour3.notebook   September 26, 2011




                                             2
Geom2­6hour3.notebook                                                 September 26, 2011




             By the end of today's class, you should be able to:

             Recognize and use the Multiplication and Division Properties of 
             segment lengths and angle measures in 2­column proofs.

             Use the Multiplication and Division Properties to compute lengths 
             of segments and measures of angles.




            2.6 ­ Multiplication and Division Properties



               Given: B, C, X, and Y
                       AB = WX = 3

                                              W        X      Y        Z


               A        B      C       D


                   What can we conclude about AD and WZ?




                                                                                           3
Geom2­6hour3.notebook                                                 September 26, 2011



               Given: OK and PS are angle bisectors
                           JKO = 350

                                                      N
                            O      M
                        J
                                                          S
                                               P
                              K                           R


                    What can we conclude about    JKM and    NPR?




            Multiplication Property: If segments (or angles) are congruent, 
            their like multiples are congruent.


             Division Property: If segments (or angles) are congruent, 
             their like divisions are congruent.




                                                                                           4
Geom2­6hour3.notebook                                    September 26, 2011


             p.90 #1
                        GIVEN:       M           O           P


                                     N           R           S
                        PROVE:




            p.91 #3                                  K           J
                                         M
                        GIVEN:


                        PROVE:   F           G           H




                                                                              5
Geom2­6hour3.notebook                                                    September 26, 2011


             p.91 #4                                 N     T        S      R
                       GIVEN:

                                                      1                   3
                       PROVE:
                                                     O                     P




                                Multiplication Property:




                                Division Property:




                       On a scale of 1­5, rate your confidence in section 2.6.




                                                                                              6
Geom2­6hour3.notebook                     September 26, 2011




              EXIT SLIP: p.91 #1

              HOMEWORK: p.92 #2,3,4,6,8

              due Friday




                                                               7

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Geom2-6hour3

  • 1. Geom2­6hour3.notebook September 26, 2011 BELL WORK:  p.87 #9 Agenda for the Day: • 2.5 homework questions • 2.6 ­ Multiplication and Division Properties • exit slip • homework ­ if time permits 1
  • 2. Geom2­6hour3.notebook September 26, 2011 2
  • 3. Geom2­6hour3.notebook September 26, 2011 By the end of today's class, you should be able to: Recognize and use the Multiplication and Division Properties of  segment lengths and angle measures in 2­column proofs. Use the Multiplication and Division Properties to compute lengths  of segments and measures of angles. 2.6 ­ Multiplication and Division Properties Given: B, C, X, and Y     AB = WX = 3 W X Y Z A B C D What can we conclude about AD and WZ? 3
  • 4. Geom2­6hour3.notebook September 26, 2011 Given: OK and PS are angle bisectors         JKO = 350 N O M J S P K R What can we conclude about    JKM and    NPR? Multiplication Property: If segments (or angles) are congruent,  their like multiples are congruent. Division Property: If segments (or angles) are congruent,  their like divisions are congruent. 4
  • 5. Geom2­6hour3.notebook September 26, 2011 p.90 #1 GIVEN: M O P N R S PROVE: p.91 #3 K J M GIVEN: PROVE: F G H 5
  • 6. Geom2­6hour3.notebook September 26, 2011 p.91 #4 N T S R GIVEN: 1 3 PROVE: O P Multiplication Property: Division Property: On a scale of 1­5, rate your confidence in section 2.6. 6
  • 7. Geom2­6hour3.notebook September 26, 2011 EXIT SLIP: p.91 #1 HOMEWORK: p.92 #2,3,4,6,8 due Friday 7